From 48bd379aa23d0d6249490137e5ebe7f8aeeb887d Mon Sep 17 00:00:00 2001 From: Lin Huang Date: Mon, 2 Jul 2018 12:27:19 +0200 Subject: drm/panel: p079zca: Add variable unprepare_delay properties When panel power down, p079zca need delay between reset and disable power supply, but p097pfg does not need it. Similarly p097zca needs a delay after entering panel sleep mode. So add two delay properties, so we can meet these two panel power down sequence. Signed-off-by: Lin Huang [add sleep-mode delay] Signed-off-by: Heiko Stuebner Signed-off-by: Thierry Reding Link: https://patchwork.freedesktop.org/patch/msgid/20180702102721.3546-3-heiko@sntech.de --- drivers/gpu/drm/panel/panel-innolux-p079zca.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/panel') diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c index 185a55060195..69bee4413aae 100644 --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c @@ -33,6 +33,8 @@ struct panel_desc { unsigned int lanes; const char * const *supply_names; unsigned int num_supplies; + unsigned int sleep_mode_delay; + unsigned int power_down_delay; }; struct innolux_panel { @@ -89,10 +91,13 @@ static int innolux_panel_unprepare(struct drm_panel *panel) return err; } + if (innolux->desc->sleep_mode_delay) + msleep(innolux->desc->sleep_mode_delay); + gpiod_set_value_cansleep(innolux->enable_gpio, 0); - /* T8: 80ms - 1000ms */ - msleep(80); + if (innolux->desc->power_down_delay) + msleep(innolux->desc->power_down_delay); err = regulator_bulk_disable(innolux->desc->num_supplies, innolux->supplies); @@ -208,6 +213,7 @@ static const struct panel_desc innolux_p079zca_panel_desc = { .lanes = 4, .supply_names = innolux_p079zca_supply_names, .num_supplies = ARRAY_SIZE(innolux_p079zca_supply_names), + .power_down_delay = 80, /* T8: 80ms - 1000ms */ }; static int innolux_panel_get_modes(struct drm_panel *panel) -- cgit